ELK与Grafana联合打造可视化监控来分析nginx日志

log_format  main  '{"@timestamp":"$time_iso8601",'
                  '"@source":"$server_addr",'
                  '"hostname":"$hostname",'
                  '"ip":"$remote_addr",'
                  '"client":"$remote_addr",'
                  '"request_method":"$request_method",'
                  '"scheme":"$scheme",'
                  '"domain":"$server_name",'
                  '"referer":"$http_referer",'
                  '"request":"$request_uri",'
                  '"args":"$args",'
                  '"size":$body_bytes_sent,'
                  '"status": $status,'
                  '"responsetime":$request_time,'
                  '"upstreamtime":"$upstream_response_time",'
                  '"upstreamaddr":"$upstream_addr",'
                  '"http_user_agent":"$http_user_agent",'
                  '"https":"$https"'
                  '}';

[xxx@localhost ~]# cat  /etc/logstash/conf.d/nginx_access.conf 
input {
    file {
        ## 修改你环境nginx日志路径
        path => "/var/logs/xxx/access/*.log"
        ignore_older => 0 
    codec => json
    }
}

filter {
    mutate {
      convert => [ "status","integer" ]
      convert => [ "size","integer" ]
      convert => [ "upstreatime","float" ]
      convert => ["[geoip][coordinates]", "float"]
      remove_field => "message"
    }
#    grok {
#        patterns_dir => [ "/etc/logstash/patterns.d" ]
#        match => { "message" => "%{NGINXACCESS}"}
#    }
    date {
        match => [ "timestamp" ,"dd/MMM/YYYY:HH:mm:ss Z" ]
    }
    geoip {
      source => "client"  ##日志格式里的ip来源，这里是client这个字段（client":"$remote_addr"）
      target => "geoip"
      database =>"/usr/share/GeoIP/GeoLite2-City.mmdb"   ##### 下载GeoIP库
      add_field => [ "[geoip][coordinates]", "%{[geoip][longitude]}" ]
      add_field => [ "[geoip][coordinates]", "%{[geoip][latitude]}"  ]
    }
    mutate {
      remove_field => "timestamp"
    }
    if "_geoip_lookup_failure" in [tags] { drop { } } ### 如果解析的地址是内网IP geoip解析将会失败，会生成_geoip_lookup_failure字段，这段话的意思是如果内网地址 drop掉这个字段。
}

output {
        elasticsearch {
        hosts => ["xxx:9200","xxxx:9200","xxxx:9200"]
        index => "logstash-nginx-test-xxxx_%{+YYYY-MM}"
        user => xxxx
        password => xxxx
        }
        stdout { codec => rubydebug }
}

cd /usr/local/src/
wget http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
rpm -ivh epel-release-6-8.noarch.rpm
[root@localhost src]# cat /etc/yum.repos.d/epel.repo 
[epel]
name=Extra Packages for Enterprise Linux 6 - $basearch
baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch
#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

yum makecache
yum repolist
yum install geoipupdate
 vim  /etc/GeoIP.conf
ProductIds GeoLite2-City
mkdir /usr/share/GeoIP
geoipupdate 
ll /usr/share/GeoIP

nohup  /usr/share/logstash/bin/logstash -f  /etc/logstash/conf.d/nginx_access.conf  &